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Extragalactic Astrophysics, Department of Astrophysics, University of Vienna

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Posted on August 4, 2026September 25, 2026

Birth or Death? Enigmatic Blobs tracing Galaxy Quenching or a Forming Galaxy Cluster near Cosmic Noon

I have started my approved FWF project to explore the enigmatic [OII] Blobs, extending over hundreds square kpc, which I discovered with VLT-MUSE (Maier et al. 2025).

The question is if these Blobs are tracing Galaxy Quenching or a Forming Galaxy Cluster, XMM2215 at z~1.46 near cosmic noon.  See my FWF project details here.

Posted on June 30, 2026

My FWF Austrian Science Funding for Blobs in z~1.5 Galaxy Cluster Approved

My FWF Austrian Science Funding Proposal to study Blobs and Ram-Pressure Stripping in the XMM2215 z~1.5 galaxy cluster was approved ! See project details here.

Posted on June 22, 2026June 22, 2026

Talk at EAS 2026: The WIM at z~1.5

I will give a talk presentation at the EAS 2026 meeting in Lausanne  about the warm ionized medium (WIM) in a cluster of galaxies at z~1.5, using MUSE observations compared to COLIBRE and TNG simulations.

Posted on June 15, 2026June 22, 2026

WIM at z~1.5: Poster Presentation at EAS 2026

Here is my poster presentation at the EAS 2026 meeting in Lausanne  about the warm ionized medium (WIM) in a cluster of galaxies at z~1.5, using MUSE observations compared to COLIBRE and TNG simulations.

Posted on April 30, 2026May 22, 2026

LECTURE Galactic Structure and Stellar Systems

In Summer Semester 2026, from March 2026 until May 2026:

I have been giving a Lecture on Galactic Structure and Stellar Systems.

Posted on March 23, 2026March 23, 2026

Thesis about a MUSE analysis of Abell 370 cluster galaxies

A thesis about a MUSE analysis of Abell 370 cluster galaxies at redshift z~0.375 under my supervision has been just finished.  Subtle evidence for cluster driven evolution was found and requires further analysis to confirm preliminary results.

Posted on December 29, 2025December 29, 2025

Lunch Talk at ESO in January 2026

In January 2026 I will give a lunch talk at ESO Garching  about the enigmatic Blobs in a cluster of galaxies near cosmic noon (publication Maier, Ziegler & Kodama 2025).

Posted on December 2, 2025

Talk at the Wienerwald Astronomy Symposium

In December 2025 I will give a talk about the enigmatic Blobs in a cluster of galaxies near cosmic noon (which I discovered this year) at the Wienerwald Astronomy Symposium 2025.

Posted on October 27, 2025October 27, 2025

Lecture Formation and Evolution of Galaxies

Logo Department of AstrophysicsIn Winter-Semester 2025, starting on 28 October 2025 until end of January 2026:

I will give a lecture on Formation and Evolution of Galaxies.

Posted on September 19, 2025September 19, 2025

Talk at the MMC 2025 conference in Italy

In October 2025 I will give a talk about the enigmatic Blobs in a cluster of galaxies near cosmic noon (which I discovered this year) at the conference MMC 2025.

The conference MMC (Multi-phase, Multi-temperature and Complex) will take place in Olbia/Italy from October 6 to October 10.

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Contact:

Christian Maier

Department of Astrophysics

University of Vienna
Türkenschanzstr. 17
1180 Wien
AUSTRIA

christian.maier@univie.ac.at

About me

Being fascinated by astronomy since I was a child, I studied Physics & Astronomy at the University of Heidelberg.

I did my PhD thesis at the Max Planck Institute for Astronomy Heidelberg, Germany, focused on Lyman-Alpha emitting galaxies at high-redshift (4<z<7) .

As a postdoc I joined the group of Prof. Simon Lilly at the Institute of Astronomy at ETH Zurich, being a key person in the zCOSMOS large-redshift survey collaboration.

At the moment I am doing research, as an University Assistant, in the extragalactic group of Prof. Bodo Ziegler at the Department of Astrophysics, University of Vienna.

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